新购买的阀门应该经过制造商的清洗和包装，适用于氧气管道系统。
Valve shall be provided by manufacturer cleaned and bagged for oxygen service.
经过一系列的制造程序，登月飞船携带的材料加工设备将利用月球泥土中的提取的材料制造出可正常运行的太阳能电池。
Through a series of manufacturing steps, the onboard materials-processing unit will use the soil sample to fabricate a functioning solar cell.
飞机上的机翼制造升力超过阻力，但具体取决于机翼的设计和当时经过的空气流动速率。
The aerofoil of a wing creates more lift than drag, but exactly how much depends on its design and the speed of the air passing over it.
应用推荐